Base | Representation |
---|---|
bin | 110111101100… |
… | …1011000011001 |
3 | 2000221121112112 |
4 | 1233121120121 |
5 | 24433430240 |
6 | 2521522105 |
7 | 503132603 |
oct | 157313031 |
9 | 60847475 |
10 | 29201945 |
11 | 15535943 |
12 | 9943335 |
13 | 6085976 |
14 | 3c42173 |
15 | 286c665 |
hex | 1bd9619 |
29201945 has 16 divisors (see below), whose sum is σ = 36381312. Its totient is φ = 22485120.
The previous prime is 29201941. The next prime is 29201951. The reversal of 29201945 is 54910292.
It is not a de Polignac number, because 29201945 - 22 = 29201941 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29201941) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14309 + ... + 16221.
It is an arithmetic number, because the mean of its divisors is an integer number (2273832).
Almost surely, 229201945 is an apocalyptic number.
It is an amenable number.
29201945 is a deficient number, since it is larger than the sum of its proper divisors (7179367).
29201945 is a wasteful number, since it uses less digits than its factorization.
29201945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2032.
The product of its (nonzero) digits is 6480, while the sum is 32.
The square root of 29201945 is about 5403.8824006449. The cubic root of 29201945 is about 307.9431818787.
The spelling of 29201945 in words is "twenty-nine million, two hundred one thousand, nine hundred forty-five".
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